Home / 19,369.63-26,726.53-13,005.46

Finding the Fourth Proportional to 19,369.63, 26,726.53 and 13,005.46

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Solution

The fourth proportional to 19,369.63, 26,726.53 and 13,005.46 is: 17,945.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,369.63 : 26,726.53 = 13,005.46 : x
  2. Step 2: Convert to fraction form
    19,369.63/26,726.53 = 13,005.46/x
  3. Step 3: Cross multiply
    19,369.63x = 26,726.53 × 13,005.46
  4. Step 4: Simplify right side
    19,369.63x = 347,590,816.85
  5. Step 5: Solve for x
    x = 347,590,816.85/19,369.63
  6. Step 6: Final answer
    x = 17,945.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.